package net.avcompris.commons3.web.it.utils;
   
   import static com.google.common.base.Preconditions.checkNotNull;
   import static com.google.common.base.Preconditions.checkState;
   import static net.avcompris.commons3.web.it.utils.ExpressionUtils.process;
   import static org.apache.commons.lang3.StringUtils.substringAfter;
   import static org.apache.commons.lang3.StringUtils.substringBefore;
   import static org.apache.commons.lang3.StringUtils.substringBetween;
   
  import java.io.IOException;
  
  import org.junit.jupiter.api.BeforeEach;
  
  public abstract class AbstractWebTest {
  
  	private static String CURRENT_BASE_URL;
  
  	/**
  	 * Use the "@RestAssured" annotation set on the test class (e.g. AppInfoTest) to
  	 * retrieve the env property to use for the API baseURL (e.g.
  	 * "customers.baseURL"), and then call {@link #setUpRestAssured(String)}
  	 */
  	@BeforeEach
  	public final void setUpRestAssured() throws Exception {
  
  		final Class<? extends AbstractWebTest> clazz = this.getClass();
  
  		final RestAssured restAssuredAnnotation = clazz.getAnnotation(RestAssured.class);
  
  		checkState(restAssuredAnnotation != null, //
  				"Class should be annotated with @RestAssured: %s", clazz.getName());
  
  		final String baseURL = process(restAssuredAnnotation.value());
  
  		setUpRestAssured(baseURL);
  	}
  
  	/**
  	 * Set up Rest Assured with the env property to use for the API baseURL (e.g.
  	 * "${customers.baseURL}"), which should have a value such as
  	 * "http://localhost:8080/api/v1".
  	 * 
  	 * Please use {@link ExpressionUtils#process(String)} if you want to process an
  	 * expression that uses variables.
  	 */
  	public static void setUpRestAssured(final String baseURL) throws IOException {
  
  		checkNotNull(baseURL, "baseURL");
  
  		if (CURRENT_BASE_URL != null && baseURL.contentEquals(CURRENT_BASE_URL)) {
  			return;
  		}
  
  		CURRENT_BASE_URL = baseURL;
  
  		System.out.println("setUpRestAssured(): baseURL: " + baseURL);
  
  		final String baseURI = substringBefore(baseURL, "//") + "//" + substringBetween(baseURL, "//", ":");
  
  		System.out.println("  baseURI: " + baseURI);
  
  		final String suffix = substringAfter(substringAfter(baseURL, "//"), ":");
  
  		final int port = Integer.parseInt(suffix.contains("/") ? substringBefore(suffix, "/") : suffix);
  
  		System.out.println("  port: " + port);
  
  		io.restassured.RestAssured.baseURI = baseURI;
  		io.restassured.RestAssured.port = port;
  	}
  }